Built to spec
Built to your engineered drawings, survey, and the real site conditions, not a standard package forced to fit.
Sheet and Torch-On Waterproofing is membrane waterproofing applied in sheets or torch-applied for durable below-grade and deck protection. Harrowgate Group self-performs the work to your engineered drawings, load, and finish, and completes it on site across Whitby, the GTA, and Ontario.
Tell us what you need and we’ll get you a quote. Licensed, insured & WSIB certified · Free, no-obligation quote & on-site assessment.
Licensed, insured & WSIB certified · Free, no-obligation quote & on-site assessment.
Built to your engineered drawings, survey, and the real site conditions, not a standard package forced to fit.
Heavy-duty steel and finishes chosen for the load, traffic, and environment on site.
Send specs, drawings, or photos and get a free, no-obligation site visit and estimate with no guesswork.
Installation and site work completed in accordance with Ontario requirements.
Sheet and Torch-On Waterproofing is membrane waterproofing applied in sheets or torch-applied for durable below-grade and deck protection. For Whitby projects, Harrowgate Group builds sheet and torch-on waterproofing from survey to sign-off: laid out to the drawings, constructed to code, and documented for the project file.
In Whitby, sheet and torch-on waterproofing is typically needed for foundations, decks, and roofs. Across Whitby, it solves durable, proven membrane waterproofing for tough conditions, and because no two sites are identical the scope is set per site, not a default.
Whitby's need for sheet and torch-on waterproofing (Durham Region) is driven largely by logistics and distribution, advanced manufacturing, commercial and institutional, and greenfield industrial. Whitby's industrial park and 407 employment lands are absorbing major logistics and manufacturing development, with Brooklin growing north. Work runs to greenfield servicing, mass grading, and large-format concrete and paving.
Activity clusters in the Whitby industrial park, the 401 and 407 employment lands, and Brooklin growth areas. Harrowgate Group regularly builds sheet and torch-on waterproofing for Whitby clients like developers, manufacturers, distributors, and the Town of Whitby, each project carrying its own site and requirements.
Whitby buildings vary widely, logistics and distribution, advanced manufacturing, commercial and institutional, and greenfield industrial, and the right sheet and torch-on waterproofing approach changes with each. Harrowgate Group reads the property before it scopes the project.
The Whitby variables that matter are greenfield industrial servicing, 407-corridor buildout, and heavy-truck pavement demand. Each Whitby project has the methods, materials, and equipment chosen for that environment, matched to the site instead of a one-size approach.
Harrowgate Group keeps Whitby sheet and torch-on waterproofing on schedule, from quote to crew on site with fast mobilization, then built to grade and documented through to completion.
Harrowgate Group runs each Whitby project by the book, survey and layout from the drawings, locates and shoring where needed, the work built to spec, then compaction, finishing, and clean-up, with hold points checked before the next stage.
Harrowgate Group treats coordination as part of the build. On a Whitby sheet and torch-on waterproofing project, that means working from the engineers' and architects' drawings, looping in geotechnical and civil consultants where the ground demands it, and coordinating with city planners and inspectors, so the Whitby project is built to the approved design and passes the inspections that matter.
Representative Whitby work: sheet and torch-on waterproofing for foundations, decks, and roofs, often near the Whitby industrial park and clients like developers, handled end to end and fully documented. Harrowgate Group also serves nearby Oshawa, Ajax, Clarington, so projects spanning the surrounding area stay with one team.
Each Whitby project is completed to its engineered spec, methods, materials, and load or compaction results set to the site and recorded, so what is built matches what was designed and approved.
Property owners and managers across Whitby choose Harrowgate Group, with 20 years serving the area for sheet and torch-on waterproofing because the work is licensed, insured, and fully WSIB-covered, backed by fast mobilization. Knowing Whitby, the Whitby industrial park, the 401 and 407 employment lands, and Brooklin growth areas, means each project is handled by a team that reads the local conditions, not a distant call centre.
Self-performed on site to the engineered drawings, coordinated with concrete, servicing, and the surrounding work, then a clean, documented finish.
Sheet and Torch-On Waterproofing is membrane waterproofing applied in sheets or torch-applied for durable below-grade and deck protection. For Whitby projects, it's built to the engineered drawings and the applicable codes, self-performed on site.
Yes, we respond across Whitby and the surrounding area. Response time is fast mobilization.
Across Whitby, the work concentrates around the Whitby industrial park, the 401 and 407 employment lands, and Brooklin growth areas, each job scoped to its own conditions.
Mostly logistics and distribution, advanced manufacturing, commercial and institutional, and greenfield industrial, Harrowgate Group serves developers, contractors, municipalities, and property owners across Whitby.
In Whitby, the work accounts for greenfield industrial servicing, 407-corridor buildout, and heavy-truck pavement demand, so the methods, materials, and equipment is matched to the site.
Hydrostatic and traffic, chosen for the Whitby job rather than a default.
Harrowgate Group responds to Whitby with fast mobilization, covering the Whitby industrial park, the 401 and 407 employment lands, and Brooklin growth areas and the surrounding area.
All of Whitby, the Whitby industrial park, the 401 and 407 employment lands, and Brooklin growth areas and the surrounding neighbourhoods, plus nearby Oshawa, Ajax, Clarington.
Yes, Harrowgate Group handles logistics and distribution, advanced manufacturing, commercial and institutional, and greenfield industrial across Whitby, from focused scopes to full builds, each set to its own site and drawings.
Cost depends on the site conditions, the ground, the scope, and the engineered requirements, Harrowgate Group reviews the drawings and the site for each Whitby project and provides a clear, documented quote.
Yes, Harrowgate Group assesses Whitby sheet and torch-on waterproofing on site and provides a documented scope before any work begins.
Real knowledge of Whitby, the Whitby industrial park, the 401 and 407 employment lands, and Brooklin growth areas, fast mobilization, work that is licensed, insured, and fully WSIB-covered, and full documentation on every project.
Harrowgate Group has served Durham Region since 2006, 20 years of hands-on experience.
Harrowgate Group surveys and scopes it on site, builds the work to the engineered drawings and the applicable codes, and completes it to grade, handled by one accountable team across Whitby.
Yes, Harrowgate Group builds the work across Whitby and the surrounding area and manages it end to end, coordinating any engineers, consultants, and municipal approvals the project needs. We do the work, not just hand it off.
Commercial and heavy-civil construction, self-performed for developers, contractors, property managers, and municipalities.
Send drawings, a site plan, or a description of the scope. Harrowgate Group is licensed, insured, and WSIB certified.
Licensed, Insured & WSIB Certified · Self-performed and documented on every job
Tell us what you need and we’ll get you a quote. Licensed, insured & WSIB certified · Free, no-obligation quote & on-site assessment.
Harrowgate Group provides sheet and torch-on waterproofing, delivered and installed with quote-ready support across Toronto and surrounding Ontario communities.
Companies We've Worked With
Harrowgate Group delivers commercial and heavy-civil construction for developers, contractors, institutions, municipalities, and property groups across Ontario.